Home / 165,763.09-248,642.80-99,221.79

Finding the Fourth Proportional to 165,763.09, 248,642.80 and 99,221.79

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Solution

The fourth proportional to 165,763.09, 248,642.80 and 99,221.79 is: 148,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,763.09 : 248,642.80 = 99,221.79 : x
  2. Step 2: Convert to fraction form
    165,763.09/248,642.80 = 99,221.79/x
  3. Step 3: Cross multiply
    165,763.09x = 248,642.80 × 99,221.79
  4. Step 4: Simplify right side
    165,763.09x = 24,670,783,686.61
  5. Step 5: Solve for x
    x = 24,670,783,686.61/165,763.09
  6. Step 6: Final answer
    x = 148,831.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.